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1 Work and Health: A Study on Recyclable Material Collectors in Poços de Caldas, MG Maurício Waldman, Cristiane Aparecida Silveira, Yula de Lima Merola, Juliana Loro Ferreira Introduc لحم䌥 on The problems related to solid residues have been growing in contemporary society, implying the deterioration of the quality of life, particularly in large urban centers. The Urban Solid Residues (USR) or Houselhold Residues (HR), generated by several activities in modern society, may result in several risks to public health, an equation that presents many interfaces: social, economic, political and administrative interfaces (WALDMAN, 2014a, 2014b, 2011a, 2011b and 2010; SIQUEIRA et MORAES, 2009, MUCELIN et BELLINI, 2008). The degradation of the environment cannot be disconnected from a context including physical health problems, psychological disorders and socioeconomic asymetries. Thus, pathologies such as infectious, degenerative and cardiovascular diseases, anxiety attacks, depression, panic attacks, chemical dependence and exarcebation of violence, among others, are components of the same phenomenological inputs. As such, this scenario can be attributed to a set of problems whose structural causes presuppose the environmental degradation unchained by the modern goods production system, which, countersigned by the demands of a consumerist modus vivendi, provokes a huge pressure over the natural environment[1]. Ipso facto, such model legitimates the predatory use of natural resources, the authentic raison d'etre of the modern era (WALDMAN, 2010, [and] CAVALCANTI, 1994, SANTOS, 1988). In that sense, we must point to the links between this consumer society and a market dynamics strengthened by the concern with generating growing profits, stimulating an unceasing scaling of more production and more consumption. The result observed is the maximized withdrawal of natural inputs, a process made concrete by the transcience with which modern society interacts with the material world, the matrix aspect of the social, economic and cultural system generated by the western world. Regarding public health, the urban solid residues have an essential role in the epidemiological structure of communities. Indeed, we should highlight a line of transmission of diseases caused by vectors, which find in the garbage the appropriate conditions to proliferate[2]. Pari passu, when concerning environmental problems, the waste contaminates the air, the soil and, indirectly, the superficial and ground water. (MIRANDA, 1995) From the environmental and the public heath viewpoint, the incorrect disposal of the solid residues develops direct sequels (when there is close contact betwen the human organism and the pathogenic agents in the waste) and indirect sequels (through the amplification of some risk factor acting without control upon the surroundings), both incorporating a set of serious sanitary problems. It should be remembered that this scenario of harmful effects developing a list which gets even longer as research studies on the theme develop and advance is generated by a mass of residues which, technically, due to its umbilical connection with a vast net of production and consumption flows, presents confirmed heterogeneity. Such peculiarity allows specialized literature to identify, according to the physical taxonomy of the HR, three great data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 1/19

2 fractions, each one encompassing a complex web of implications. They would be: the organic fraction, damp or wet; the inorganic or dry fraction; and the remaining fraction, consideredunserviceable. The organic fraction, damp or wet, corresponds to the largest part of HR and consists basically of culinary garbage. The damp fraction may be reincorporated to the matter and energy cycles of nature through composting, the process which transforms the HR organic mass into an agricultural soil reconstructor and can be used in both public and domestic gardening. In Brazil, the organic fraction ranges, according to the source consulted, between 52 and 67% of HR (WALDMAN, 2014a e 2010; CEMPRE Informa nº 91,2007: 3; NETO, 2007: 14; ABRELPE, 2007: 52 and 2006; CEMPRE, 2001). The inorganic or dry fraction, otherwise, presents in its composition the "classic" materials coveted by the recycling industry, hence its designation as "recyclable fraction" in many texts despite justified objections[3]. It consists of metals (steel, copper, brass and aluminum, in the form of electric cables disposed of); empty food, soda and other drink cans); glass (jars, bottles, pieces, broken pieces, and industrial and workshop fragments); paper and cardboard paper (of all sorts); and plastic (of all sorts). Although the existing data about the dry fraction is conflictive, it is believed that this segment represents something between 20% and 30% of the total mass of HR in Brazil (WALDMAN, 2014a and 2010: 82). Finally, among the unserviceable materials we may list toilette trash, cardboard paper impregnated with oil, photos, dirty newspapers, fax paper, tissue and paper napkins, cellophane, ashes, cigarette butts, disposable diapers, pottery, mirrors, broken crystal, pesticide cans, light bulbs, fuses, debris, etc[4]. That fraction of USR would correspond to 15% of the gravimetrics of garbage (IBAM, 2001: 25). As to the deleterious effects of garbage, they could be synthesized in a triple factoring as: occupation related, environmental and alimentary. The occupation related factor can be characterized by the contamination of collectors, who manipulate hazardous substances many times without any kind of protection. Although that concerns a small part of the population, it manifests aggressive contagion forms (SILVA, 2006, GONÇALVES, 2005). Regarding the environmental factor, it is characterized by the dispersion of contaminating agents, originating from the putrefying food leftovers and dead animals, unchaining infestations through the slurry[5] both in the superficial and the ground water bodies. Another problem stems from the emissions of methane gas[6], an aggressive Greenhouse Effect Gas (GEE), generated by the deterioration of putrefiable remains brought about by anaerobic bacteria (LIMA et RIBEIRO, 2000). To this list of negative developments many of which provoque an impact on the environment in a vast scale in time and space are added the ones pertinent to the dry fraction of waste. The refuse of contemporary world is characterized by its high level of harmfulness, latent danger and difficult deterioration, provoking somehow threats to all forms of life. The list of elements persisting in the environment which have garbage as a vector consists of thousands of substances, a number that becomes larger day by day. Although the effects of synthetic materials are not fully known, the expansion of the research carried out in the last decades points to, for example, a wide range of side effects to people's health (passim WALDMAN, 2010). At last, the alimentary factor, characterized by the contamination of the collectors or the residents around the dumps[7]. Basically, the problem occurs due to the ingestion of food leftovers and to the animals visiting such spaces, feeding on in natura residues disputed with humans. When interacting with the food chain, those animals can transmit a series of diseases, both to the herd and the human communities, the final link in the chain (NUNES MAIA, 2002). In SISINNO's reflections (2002), the urban solid residues must be understood as a public health problem. The data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 2/19

3 consequences of their inadequate management and final disposal end up by reflecting directly or indirectly on the population's health. The risks related to the context and to the activity of household residues collection seem well defined in the eyes of the scentific community in general. The intoxication ways, toxicity itself and the damage to health and the environment through collection and through the dumping and/or final confinement spaces inherent to the logistics of management of the residues nowadays seem to be consolidated knowledge, based on related studies, all evincing a diversity of risks (PORTO etjunca, 2004; VELLOSO SANTOS et ANJOS, 1997; GONÇALVES, 2005). The garbage collected daily in the urban areas of the cities is transported to the final destination areas. In most Brazilian cities, the residues are still indiscriminately thrown away in the open air, in the so called dumps[8]. The inadequate final confinement of the urban residues provokes soil pollution and appears in the contamination of water (SOUZA et MENDES, 2006). The endangerment of the liquid bodies happens through phenomena such as leaching. In air pollution are noted gaseous effluents and particulates thrown at the atmosphere, originating from several anthropogenic activities. As a rule, such remains and effluents constitute the final result of the transformation of assorted materials and substances into useless residue, disposed of in defiance of the reuse and recycling strategies (VELLOSO, 1998). The adverse effects of the city's solid residues on the environment and on collective and individual health are fully known and recorded by numerous authors and specialists. They point to the deficiencies in the collection and final disposal systems, as well as to the lack of a protection policy regarding the worker's health, both factors strongly affecting the configuration of harmful and undesirable effects (ACCURIO et alli, 1998; ANJOS et alli, 1995; ROBAZZI et alli, 1992). According to a research study carried out by IPEA: Institute of Applied Economic Research (2012), 183,5 tons of solid residues are currently collected per day in Brazil, a service delivered to 90% of all households, representing 98% of urban households, but only 33% of the rural households. In the survey, organic matter would correspond to 51,4% of all daily household disposals. As to the dry fraction, its total amount would reach 31,9% of the total household waste (metal, plastic, glass and cellulosics). Among the Brazilian municipalities, a share consisting of (45,55% of the total) confirms the existence of Garbage Selective Collection (GSC) programs. At first sight, the figures could point to progress in GSC initiatives. Nevertheless, the percentage can be questioned due to the fact that several municipal enterprises have merely symbolic meaning. Therefore, it is important to stress that some GSC activities deal only with implementing some "recycling island", making Voluntary Delivery Stands (VDS) available or simply formalizing agreements with collectors' cooperatives for the execution of such services (BONFIN, 2012). In what concerns the number of Recyclable Material Collectors working in Brazil, IBGE (the Brazilian Institute of Geography and Statistics) estimates a body composed of 70 thousand workers[9]. However, two other institutes, Cáritas and Pólis, account for a demographic universe consisting of 500 thousand people. In turn, the Recyclable Material Collectors National Movement states that 800 thousand workers are active in recyclable material collection in Brazil. The gap suggested by the IPEA's analysis, taking all those sources into account, would signal to a set of between 400 and 600 thousand collectors in Brazilian cities (BRASIL, 2012). Although there are no doubts about the importance of the urban sanitation activity to the environment and to the community's health, such perception has not been translated into effective actions that might produce qualitative change to the situation of the urban solid residues management in Brazil and Latin American nations, where it presents a wide range of deficiencies. The assertion is also valid when the focus of the debate are the collectors (WALDMAN, 2010 and 2008, FERREIRA et ANJOS, 2001). According to information from the Recyclable Material Collectors National Movement (RMCNM), the country has data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 3/19

4 around 600 formal cooperatives, comprised of approximately 40 thousand collectors. Nevertheless, only 2,5% of all municipalities keep a partnership with those organizations. From the existing cooperatives comprising only 10% of all collectors there are discrepancies in terms of logistics, equipment and level of efficiency. Several analyses point to 60% of the cooperatives offering bad working conditions and low remuneration to their members. The average income of this category of workers lies below the minimum wage, calculated between R$ 420 and R$ 520 (BRASIL, 2012). The workers making a living out of recyclable material collection understood as a means of survival and obtaining income are still seldom studied from the viewpoint of public health, despite the growing number of academic studies focused on the category (PORTO et alli, 2004). The theme presents social relevance due to the large number of recyclable material collectors all over the country, even if we disregard the existence of a significant segment made up of the population living in dumps. Some studies brought to light that in the late 90's there were 45 thousand children and teenagers living and working in dumps (FERREIRA, 2005). Consequently, reality as experienced by recyclable material collectors evinces precarious working conditions due to their close contact with refuse in disposal areas, landfills, dumps and city streets (ABREU, 2001). In this order of explanation, surveys and investigations elicit a collector's profile subdivided into three categories: street collectors, cooperative collectors and dump collectors. Street collectors are the ones picking up residues from public places or from the waste delivered directly by the population, local stores and industrial plants. A distinctive trait of this group is that they possess their own cart or some other kind of vehicle adapted for the transportation of loads (MEDEIROS et MACEDO, 2006). The cooperative collectors also refered to as self managed collectors are those who deliver selective collection services with more value added, articulately and organizedly, generating work and income in a more systematized way. Objectively, the cooperatives generally allow for the absorption fringe urban workers, alien to the formal work market, inserting them in an institutional structure which ensures them, though minimally, some rights, income and citizenship (WALDMAN, 2010; LIANZA, 2000, MINAYO GOMES, 1997). Concerning dump collectors, the segment is defined by a context of clear social exclusion[10]. Disconnected from any kind of assistance by the government, and working directly in the municipal final disposal spaces, dump collectors make up the most fragilized collecting population (FERREIRAet ANJOS, 2001). In view of the high unemployment rate, the survival strategy found by this excluded population is to "collect garbage" as a means to obtain income to make a living. When collecting and sorting out recyclable materials in dumps, walking around the streets or obtaining them from generating centers all over the country the collecting population materializes an important link in the waste management system and in the recycling activity circuits (KIRCHNER et SAIDELLES, 2009; WALDMAN, 2008; MADRUGADA, 2002). Despite their importance to the environmental balance, garbage collectors work without a contract and deprived of any social security benefits. Thus, they reveal traits similar to those of other groups excluded by Brazilian society, exposing themselves to risks and loads responsible for damage to their health (LAURELL et NORIEGA, 1989). It should be remembered that to the situation above and to the low income brought by that kind of work is commonly added a scenario made up of diseases that aggravate the collectors' working and surviving conditions. Undoubtedly collectors constitute a risk community, not only in terms of their own physical integrity and health, but also due to the consequences of a condition of social, cultural and economic marginality. Shaped in a context of evident socioeconomic asymetry, the inequalities have constantly made collectors be seen through a universe of negative meanings inherent to the hegemonic perception of garbage (WALDMAN, 2011a, 2010 e 2008; GONÇALVES, 2004; CALDERONI, 1999). data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 4/19

5 It should be pointed out that there are few studies related to the health hazards inherent to the collection activity. Concomitantly, it is known that accidents such as cuts, perforations, burns and dermititis happen proficuously, as a direct consequence of living around refuse, food poisoning threats and diseases provoked by parasites (CATAPRETA et HELLER, 1999). The accidents during the collection activity generally originate from the precariousness and the lack of adequate working conditions. They are translated into several kinds of wounds, loss of members due to collectors being run over and also by dog, rat and poisonous insect bites. The esthetic issue, not always rememberd, is quite importante as well once regular exposure to the residues would invite mockery and therefore a lot of psychological discomfort (FERREIRA et ANJOS, 2001). Another block of possibilites of risk to these collectors' health and quality of life concerns the psychosocial problems. Acknowledgedly, the recyclable material collectors' life is marked by violence, humiliation and social exclusion; their occupation is seen as disqualified, unrecognized by society and the government (GESSER et ZENI, 2004). It would be applicable to refer to the comments by CAVALCANTE et FRANCO (2007), for whom the collectors' activity routine is permeated by privations as well as invariably marked by hard working conditions, demanding a lot of physical effort. The daily working hours can last for over twelve hours uninterruptedly. Unequivocally, collection is a strenuous activity, mainly if we consider the conditions to which workers are submitted. A good example of such conditions are the carts pulled manually through the streets, transporting in average more than 200 kg of refuse, regularly facing heavy traffic and the hostility of drivers. Collectors transport the equivalent to 4000 kg monthly. It is known that collectors cover more than 20 km per day, an effort that often receives in turn the exploitation of warehouse owners dealing recovered materials (scrapped material dealers), who pay them very low values or take advantage of those collectors' social fragility. The precariousness of work contributes to the prevalence of this scenario: this informal occupation makes collectors vulnerable once they are not entitled to labor and/or welfare rights. An apparently contradictory situation, informality leads collectors to move in a parallel market, governed by presuppositions which, paradoxically, link their work to highly capitalized economy circuits. The nexus is maintained by the absence of recognition for their work by a large share of the public opinion (WALDMAN, 2011a, 2010; GUIMARÃES, 2000). Meanwhile, as a form of reaction to unemployment and to the situation of exclusion, a tendency to getting organized in waste recycling cooperatives, inspired and supported by the principles of solidary economy, has materialized in the last years. The lack of opportunity in the work market has induced a significant contingent of unemployed workers to join collection as a means to guarantee their survival. Traditionally in Brazil, the modus operandi of material recovery is ensured by the informal collection of materials found in the streets and dumps. We should note that, despite discriminated and disregarded by the fragile links with the status quo, collection configurates an activity which concretely stops these workers from being abducted by even more somber forms of social exclusion. In this line of argumentation, the activity becomes a kind of last link connecting collectors to the social system which excludes and rejects them (WALDMAN, 2011a and 2010; SINGER, 2004; REGO et alli, 2002). Another relevant view is that the working conditions, though extremely unhealthy, allow for a certain "freedom" concerning working hours and behavior codes which does not exist in fixed job situations; and that is the reason why not few collectors refuse job opportunities in the formal work market, preferring the activities related to recyclable material sorting. Garbage collectors are responsible for practically all material recycled by the national industry[11], placing Brazil as one of the top countries in the ranking of recycling of materials such as aluminum, data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 5/19

6 plastic, paper and cardboard paper (Cf. WALDMAN, 2011a and 2010; CEMPRE, 2009a, 2009b; MORAES, 2007). In this pathway, despite all difficulties related to work, made more serious by the lack of government support and by several kinds of social prejudice, these informal collectors manage to survive and at the same time take care of the environment, that is, the space common to most Brazilians: the urban space. Therefore, we can consider garbage collectors as environmental and economic agents. Even better, as de facto, though not de jureworkers (GONÇALVES, 2005). That having been said, the current study aims to analyze the profile of collectors and their perception of their situation as individuals and citizens, as well as the problems involving garbage, particularly recyclable materials. Methodology The research is characterized as quantitative, descriptive and exploratory, and was carried out in the city of Poços de Caldas, an urban centre located in the South of Minas Gerais and currently having inhabitants[12]. The focus of this research is on the work developed by collectors working in the streets and/or participating in some form of association. The population under study was comprised of 160 recyclable material collectors, among whom 30 belong to the Cooperative, 100 are street collectors and 30 are controlled landfill collectors[13]. For the collection of data a questionnaire created and tested by the authors was used, comprising 24 questions involving sociodemographic information and questions about the collectors' performance. Data collection was carried out from September to November The participants in the research were 96 collectors, among them 70 city street collectors and 26 recycled material cooperative participants, who voluntarily accepted to participate in the 2011 research. After accepting to participate in the research, the collectors received a briefing, highlighting goals and ensuring privacy as to the preservation of their identity. The questionnaire forms were filled by the collectors and, whenever necessary, they were helped by the interviewers. The city of Poços de Caldas produces around 150 tons of solid residues per day and, according to the current model, forwards almost all household solid residues collected (around 70%) to the city's controlled landfill. The management of sanitary cleaning is a municipal attribution and the Public Service Bureau takes on responsibility for the operationalization of the activities. Regarding the alternatives for garbage final disposal, CONSONI et alli (2000) state that the landfill presents the fewest handicaps as equipment meant to be used as final confinement space, a verdict accepted mainly when we take into consideration the reduction of the impact provoked by the disposal of the urban solid residues. Another method used for the final disposal of residues is the controlled landfill. According to ROTH et alli (1999), this kind of equipment is less harmful than the dumps since the waste disposed of in the soil is later covered with earth, which ends up by reducing the local pollution. Nevertheless, this solution is less effective than that offered by the sanitary landfills since the mass decomposing continues to be a source of innumerable problems: slurry and methane emissions, and muta 䁿 s mutandis, the continuity of health hazards to the population and all forms of life. In 2006 the city passed the municipal legislation, from October 13, 2006, which prescribes on the Municipal Policy concerning Reusable Solid Residues and Incentives to Garbage Selective Collection in Poços de Caldas. After the prescription of the legislation, the government changed its relationship with recyclable material collectors significantly, incorporating them as priority partners in the Selective Collection Project implemented by the Solid data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 6/19

7 Residue Management Municipal Program. The sociopolitical context that fostered this change in dealing with the issue of collectors in Poços de Caldas inserts itself nationally in the process of expanding the public management's democratization; and, internationally, in the discussion about environmental sustainability. With this partnership, the government disconnects itself from the role of strenthening the image of collectors as urban fringe workers and starts, otherwise, to propose a new reading of such perception, now stressing the importance of collectors as selective collection professionals, supported by their representative body, the Ação Recicla (Recycling Ac 䁿 on), in the scope of the Selective Collection Project. The Ação Reciclar emerged as a group of approximately 36 collectors that already got organized in groups and worked buying materials from collectors and reselling them to recycling companies as "middle men". Nowadays the cooperative has an agreement with the municipal government where the latter provides space and operational facilities meant help the collectors, such as collecting trucks. The Ação Reciclar follows a collection schedule around the streets, including mainly open markets, where the quantity of recyclable residues dumped is larger. The association also receives donations of recyclable solid residues from residents trying to find adequate destination for them. To meet the ethical demands of Resolution 196/96 from the Health National Council, the collectors were invited to sign an Informed Consent Form, in two copies, one remaining with them and another, with the researchers. They were guaranteed that they would neither run risks nor have costs and/or monetary benefits when joining the population researched, and that they could give the research process up at any time if they so desired. Results The research participants sociodemographic data was analyzed initially, as the researchers tried to establish relationships considering gender, schooling or formal education, marital status, age and children, among other criteria. Among the Ação Reciclar Cooperative s collectors interviewed, 23,1% were male and 76,9%, female, alledgedly because the work at the sorting lines demands less effort. Concerning the age bracket distribution, a large share of collectors (52,2%) was somewhere between 25 and 45 years old; and 47,8%, between 45 and 65 years old. As to schooling or formal education, 11,5% had finished highschool and 50%, middle school. Among the interviewees, more than half (58,3%) had been working as collectors for less than 5 years; and around 30%, for from 5 to 10 years. Regarding the connection between work and diseases and related symptoms, when the topic concerned acciddents, most collectors (42,3%) reported having had accidents. Among these cases, cuts by glass and perforations by other materials were reported more frequently. As to diseases trasmitted by garbage, 69,2% of those collectors did not know anything about the subject. However, laboratory analyses of the fecal samples of 33% of cooperative workers detected Entamoeba coli cysts, 6,7%, Enterobius vermiculares, 13%, Giardia lamblia cysts and 20% Ascaris lumbricóides eggs (table 3). Most workers frequently felt lower limb pains and 20% claimed to feel mainly lumbar pain, which had to do with bad posture and the excessive weight carried during their daily work. Due to direct contact with materials of all sorts, occasionally toxic, a significant group reported irritated eyes (28,6%) and, among them, 17,1% claimed to have skin rash. Another important claim in the answers was that 11,4% among women had become pregnant data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 7/19

8 during the time they worked as collectors. Concerning the research with street collectors, most of them were aged between 50 and 59 years old and male (65,1%). In this group, 57,1% had not finished middle school, as illustrated by chart 1. In terms of marital status, 33% were married; 56% had children. Collection was the only surce of income for 60% of all collectors interviewed; 83% reported they did not receive any support from either government or social institutions; and 85% had no interest in joining the cooperative because they enjoyed the freedom they had in the streets. As to the use of Individual Protection Equipment (IPE), most collectors, 58,82%, confirmed they used the equipment during the day s work, although the only items observed were caps. Half of the interviewees considered the financial return of their activity enough to support their families. Regarding liquid monthly income, 60% got less than a minimum wage and 44% had another source of income (chart 2). The means of transportation most used by collectors were still the cart (55,7%) and the horse cart (30%) according to chart 3. Discussion An important piece of data is that most of the collectors interviewed were aged between 19 and 45 years old. One of the main characteristics of this segment of young workers was the fact that many of them had never had a formal job and had collection as their first working experience. In a research study carried out by Bosi (2008), the age factor revealed a predominance of people between 30 and 60 years old. The population of collectors is basically made up of young adults, although there is great flexibility in the age structuring of the group (PORTO et alli, 2004). According to CARMO (2005), age is one of the factors which mostly influence the style of participation in the formal urban work market, which in Brazil favors the recruitment of youngsters. However, among the collectors interviewed, the majority reported age as being an obstacle when it comes to rejoining the formal work market. In collection, though, age does not stand as an excluding factor since collection is an activity demanding no prerequisites (ALMEIDA et alli, 2009). Among the interviewees, the majority had finished only middle school, which reveals their low schooling. The issue of formal education is an important aspect and must be taken into account in the analyses concerning the access to work and the level of income. Still on the subject, the interviews detected that most of the collectors started their labor activities as children aiming to add to the family income.this precocious insertion in the informal work market made it difficult for them to start school and continue studying, which later became an obstacle to their joining the formal work market (VIANA, 2000). The correlation between low schooling and the collection activity had been confirmed by previous research carried out by SILVA (2002) and MAGERA (2003), who came to the conclusion that this connection leads to exclusion from the formal work market. About this, despite the value many collectors attribute to formal instruction as a means to ensure better living conditions to their children, none of the interviewees contemplated the expectation of going back to school in order to try to get another kind of occupation. Concerning recyclable material collection, the most useful kind of knowledge mentioned was basic arithmetic, used for checking weights and the payment for the material collected. Thus, the researchers having quantified the data:text/html;charset=utf 8,%3Cspan%20class%3D%22titulo%22%20style%3D%22margin%3A%200px%200px%2010px%3B%20padding%3A%2030p 8/19

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